money/ui/public/assets/scripts/main.js

function formatValue(value, base) {
  return (new Intl.NumberFormat('es-CL', {style: 'currency', currency: base, minimumSignificantDigits: 2})).format(value)
}
function formatDate(date) {
  return (new Intl.DateTimeFormat('es-CL', {year: 'numeric', month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit', second: '2-digit'})).format(date)
}
function readyDate(date) {
  return date.getFullYear()
    + '-' + (date.getMonth() + 1)
    + '-' + date.getDate()
    + ' ' + date.getHours()
    + ':' + date.getMinutes()
    + ':' + date.getSeconds()
}

let socket = {
  url: '',
  conn: null,
  connect: function(ready, getMessage) {
    this.conn = new WebSocket(this.url)
    this.conn.onopen = (e) => {
        console.debug(e)
        ready()
    }
    this.conn.onmessage = (e) => {
      console.debug(e)
      getMessage(e)
    }
    this.conn.onerror = (e) => {
      console.error(e)
    }
    this.conn.onclose = (e) => {
      if (e.code != 1000) {
        console.error(e)
        return
      }
      console.debug(e)
    }
  },
  sendMessage: function(action, data = null) {
    var msg = {
      action: action
    }
    if (data != null) {
      msg['data'] = data
    }
    this.conn.send(JSON.stringify(msg))
  }
}